Effect of chronic lead exposure on kidney function in male and female rats: determination of a lead exposure biomarker.
Identifieur interne : 000A33 ( Main/Exploration ); précédent : 000A32; suivant : 000A34Effect of chronic lead exposure on kidney function in male and female rats: determination of a lead exposure biomarker.
Auteurs : F. Ghorbe [Tunisie] ; M. Boujelbene ; F. Makni-Ayadi ; F. Guermazi ; A. Kammoun ; J. Murat ; F. Croute ; J P Soleilhavoup ; A. El-FekiSource :
- Archives of physiology and biochemistry [ 1381-3455 ] ; 2001.
English descriptors
- KwdEn :
- MESH :
- chemical , blood : Biomarkers, Creatinine, Lead, Urea.
- chemical , toxicity : Lead.
- chemical , urine : Biomarkers, Creatinine, Lead.
- drug effects : Kidney.
- Animals, Female, Hydrogen-Ion Concentration, Kidney Function Tests, Male, Rats, Rats, Wistar.
Abstract
Several cytotoxic chemical pollutants inducing peroxidative damages are liable to induce kidney failure. Among these pollutants we find heavy metals such as: lead, nickel, cadmium, vanadium and mercury. Lead is one of the most dangerous metals because it is widely spread in the environment, and because it may be a source of several nervous diseases. The aim of this study is to provide evidence concerning the effect of this metal on the renal function and to try to determine a storage corner in the organism which serves as an indicator of a lead intoxication. Lead acetate was administered by oral route in the drinking water to adult rats aged three months at the rate of 0.3% (P1) and 0.6% (P2). Reference rats received distilled water to drink under the same conditions. The treatment continued for 15, 30, 45, 60 and 90 days. The creatinemia, uremia, glycemia and creatinuria are determined by colorimetric techniques. Lead concentration in blood as well as the lead content of the tail are determined by atomic absorption after nitroperchloric mineralization at the liquid stage. The results showed an increase of creatinemia on the 30th day of the experiment for both sexes in (P1 and P2). The same happened for ureamia. The increase of these two parameters would indicate a renal deficiency which is confirmed by a decrease of creatinuria and urinary pH observed mainly on and after the 45th day of the experiment. An increase of the renal relative weight was noticed in P1 and P2 on the 30th day of the treatment. The determination of the concentration of lead in the blood shows that this factor increases among treated subjects in a constant way, independently of the dose and the duration of the treatment. Nevertheless, the rate increase of lead in the tail seems to be dose-dependent. In conclusion, lead administered by oral route causes a renal deficiency to the rat without distinction between males and females. In addition, the tail seems to be a reliable exposure biomarker that demonstrates lead intoxication. The tail seems to be a dosimeter of lead bio-accumulation. It constitutes an endogenous source of lead impregnation. The concentration of lead in the blood is only an indicator of recent exposure.
DOI: 10.1076/apab.109.5.457.8035
PubMed: 11935388
Affiliations:
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Ghorbe</name><affiliation wicri:level="1"><nlm:affiliation>Animal, Eco-Physiology Lab, Faculty of Sciences, Sfax, Tunisia.</nlm:affiliation><country xml:lang="fr">Tunisie</country><wicri:regionArea>Animal, Eco-Physiology Lab, Faculty of Sciences, Sfax</wicri:regionArea><wicri:noRegion>Sfax</wicri:noRegion></affiliation></author><author><name sortKey="Boujelbene, M" sort="Boujelbene, M" uniqKey="Boujelbene M" first="M" last="Boujelbene">M. Boujelbene</name></author><author><name sortKey="Makni Ayadi, F" sort="Makni Ayadi, F" uniqKey="Makni Ayadi F" first="F" last="Makni-Ayadi">F. Makni-Ayadi</name></author><author><name sortKey="Guermazi, F" sort="Guermazi, F" uniqKey="Guermazi F" first="F" last="Guermazi">F. Guermazi</name></author><author><name sortKey="Kammoun, A" sort="Kammoun, A" uniqKey="Kammoun A" first="A" last="Kammoun">A. Kammoun</name></author><author><name sortKey="Murat, J" sort="Murat, J" uniqKey="Murat J" first="J" last="Murat">J. Murat</name></author><author><name sortKey="Croute, F" sort="Croute, F" uniqKey="Croute F" first="F" last="Croute">F. Croute</name></author><author><name sortKey="Soleilhavoup, J P" sort="Soleilhavoup, J P" uniqKey="Soleilhavoup J" first="J P" last="Soleilhavoup">J P Soleilhavoup</name></author><author><name sortKey="El Feki, A" sort="El Feki, A" uniqKey="El Feki A" first="A" last="El-Feki">A. El-Feki</name></author></analytic><series><title level="j">Archives of physiology and biochemistry</title><idno type="ISSN">1381-3455</idno><imprint><date when="2001" type="published">2001</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Biomarkers (blood)</term><term>Biomarkers (urine)</term><term>Creatinine (blood)</term><term>Creatinine (urine)</term><term>Female</term><term>Hydrogen-Ion Concentration</term><term>Kidney (drug effects)</term><term>Kidney Function Tests</term><term>Lead (blood)</term><term>Lead (toxicity)</term><term>Lead (urine)</term><term>Male</term><term>Rats</term><term>Rats, Wistar</term><term>Urea (blood)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="blood" xml:lang="en"><term>Biomarkers</term><term>Creatinine</term><term>Lead</term><term>Urea</term></keywords><keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Lead</term></keywords><keywords scheme="MESH" type="chemical" qualifier="urine" xml:lang="en"><term>Biomarkers</term><term>Creatinine</term><term>Lead</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Kidney</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Female</term><term>Hydrogen-Ion Concentration</term><term>Kidney Function Tests</term><term>Male</term><term>Rats</term><term>Rats, Wistar</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Several cytotoxic chemical pollutants inducing peroxidative damages are liable to induce kidney failure. Among these pollutants we find heavy metals such as: lead, nickel, cadmium, vanadium and mercury. Lead is one of the most dangerous metals because it is widely spread in the environment, and because it may be a source of several nervous diseases. The aim of this study is to provide evidence concerning the effect of this metal on the renal function and to try to determine a storage corner in the organism which serves as an indicator of a lead intoxication. Lead acetate was administered by oral route in the drinking water to adult rats aged three months at the rate of 0.3% (P1) and 0.6% (P2). Reference rats received distilled water to drink under the same conditions. The treatment continued for 15, 30, 45, 60 and 90 days. The creatinemia, uremia, glycemia and creatinuria are determined by colorimetric techniques. Lead concentration in blood as well as the lead content of the tail are determined by atomic absorption after nitroperchloric mineralization at the liquid stage. The results showed an increase of creatinemia on the 30th day of the experiment for both sexes in (P1 and P2). The same happened for ureamia. The increase of these two parameters would indicate a renal deficiency which is confirmed by a decrease of creatinuria and urinary pH observed mainly on and after the 45th day of the experiment. An increase of the renal relative weight was noticed in P1 and P2 on the 30th day of the treatment. The determination of the concentration of lead in the blood shows that this factor increases among treated subjects in a constant way, independently of the dose and the duration of the treatment. Nevertheless, the rate increase of lead in the tail seems to be dose-dependent. In conclusion, lead administered by oral route causes a renal deficiency to the rat without distinction between males and females. In addition, the tail seems to be a reliable exposure biomarker that demonstrates lead intoxication. The tail seems to be a dosimeter of lead bio-accumulation. It constitutes an endogenous source of lead impregnation. The concentration of lead in the blood is only an indicator of recent exposure.</div></front></TEI><affiliations><list><country><li>Tunisie</li></country></list><tree><noCountry><name sortKey="Boujelbene, M" sort="Boujelbene, M" uniqKey="Boujelbene M" first="M" last="Boujelbene">M. Boujelbene</name><name sortKey="Croute, F" sort="Croute, F" uniqKey="Croute F" first="F" last="Croute">F. Croute</name><name sortKey="El Feki, A" sort="El Feki, A" uniqKey="El Feki A" first="A" last="El-Feki">A. El-Feki</name><name sortKey="Guermazi, F" sort="Guermazi, F" uniqKey="Guermazi F" first="F" last="Guermazi">F. Guermazi</name><name sortKey="Kammoun, A" sort="Kammoun, A" uniqKey="Kammoun A" first="A" last="Kammoun">A. Kammoun</name><name sortKey="Makni Ayadi, F" sort="Makni Ayadi, F" uniqKey="Makni Ayadi F" first="F" last="Makni-Ayadi">F. Makni-Ayadi</name><name sortKey="Murat, J" sort="Murat, J" uniqKey="Murat J" first="J" last="Murat">J. Murat</name><name sortKey="Soleilhavoup, J P" sort="Soleilhavoup, J P" uniqKey="Soleilhavoup J" first="J P" last="Soleilhavoup">J P Soleilhavoup</name></noCountry><country name="Tunisie"><noRegion><name sortKey="Ghorbe, F" sort="Ghorbe, F" uniqKey="Ghorbe F" first="F" last="Ghorbe">F. Ghorbe</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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